<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .con {
            width: 100%;
            height: 30px;
            background: lightgray;
        }

        .con-body {
            position: relative;
            width: 80%;
            height: 100%;
            background: rgb(196, 196, 196);
            left: 50%;
            transform: translate(-50%, 0%);
            text-align: center;
        }

        .con-left {
            width: 20%;
            height: 100%;
            background: rgba(250, 250, 250, .5);
            float: left;
            margin-left: 0px;
        }

        .con-right {
            width: 80%;
            background: burlywood;
            margin-left: 20%;
            text-align: right;
            /* float: right; */
            height: 100%;

        }

        li {
            text-align: center;
            display: inline-block;
            list-style: none;
            width: 60px;
        }

        .item {
            position: relative;
        }

        .item::after {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-style: solid;
            border-color: #464646;
            border-width: 1px 0px 0px 1px;
            transform: rotate(225deg);
            position: absolute;
            right: -10px;
            top: 6px;
        }
        .item:hover::after{
            top: 8px;
            transition: all .3s;
            transform: rotate(45deg);
        }
        .item_1{
            position: relative;
        }
        .item_1::after{
            content: '';
            display: inline-block;
            width: 0px;
            height: 0px;
            border-style: solid;
            border-width: 8px;
            border-color: palegoldenrod red blue black;
            position: absolute;
            top: 3px;
            right: 0px;
        }
        .item_2{
            position: relative;
        }
        .item_2::after{
            content: '';
            display: inline-block;
            width: 0px;
            height: 0px;
            border-style: solid;
            border-width: 8px;
            border-color: rgb(255, 83, 12) transparent transparent transparent;
            position: absolute;
            top: 10px;
            right: -5px;
        }
        .item_2:hover::after{
            border-color:  transparent transparent  rgb(255, 83, 12) transparent;
            top: 0px;
        }
    </style>
</head>

<body>
    <div class="con">
        <div class="con-body">
            <div class="con-left">
                11
            </div>
            <div class="con-right">
                <ul>
                    <li  class="item_1">订单</li>
                    <li>|</li>
                    <li class="item">购物车</li>
                    <li>|</li>
                    <li class="item_2">会员</li>
                    <li>|</li>
                    <li>会员</li>
                </ul>
            </div>
        </div>
    </div>
    <script>
    </script>
</body>

</html>